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Features

Improved Valve and Oscillating Engine

Singular Swamp

Solder for Iron

Vermont Gold

Feeding Bees

Greenwood Cemetery

Events of the Week

Improved Mode of Casting Pumps

Rheumatism

The Steam Yacht North Star

Stevens & Kiogaley's Sewing Machine

The North Pacific Expedition

Railway Apothegms

Change in Locomotive Fuel

Heat—Expansion and Contraction

Railways, Steamships, and Telegrephs

Preserving Strawberries

Curious Properties of the Figure 9

Salmon Fisheries in California

Annual Depreciation of Locomtives

A new Journal Box

Power Loom for Weaving Hair Cloth

Models for Inventions

Ericsson on the “Ericsson”

Commissioners to the New York Crystal Palace

Propellers

Management of the Patent Oflice

Patent Agents—A Caution

LoW Pressure Engines on the Western Waters

To Correspondents

Manufacture of Bohemian Glass

Graduating Machine

Mechanics

Entomology

Languages of India

Enchanted Mountain in Texas

Rise and Fall of Lake Ontario

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